Home / 203,333,119.28-280,714,932.63-155,558,490.42

Finding the Fourth Proportional to 203,333,119.28, 280,714,932.63 and 155,558,490.42

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Solution

The fourth proportional to 203,333,119.28, 280,714,932.63 and 155,558,490.42 is: 214,758,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333,119.28 : 280,714,932.63 = 155,558,490.42 : x
  2. Step 2: Convert to fraction form
    203,333,119.28/280,714,932.63 = 155,558,490.42/x
  3. Step 3: Cross multiply
    203,333,119.28x = 280,714,932.63 × 155,558,490.42
  4. Step 4: Simplify right side
    203,333,119.28x = 43,667,591,158,274,792
  5. Step 5: Solve for x
    x = 43,667,591,158,274,792/203,333,119.28
  6. Step 6: Final answer
    x = 214,758,871.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.